Invariants
Level: | $328$ | $\SL_2$-level: | $8$ | ||||
Index: | $24$ | $\PSL_2$-index: | $12$ | ||||
Genus: | $0 = 1 + \frac{ 12 }{12} - \frac{ 0 }{4} - \frac{ 0 }{3} - \frac{ 4 }{2}$ | ||||||
Cusps: | $4$ (of which $2$ are rational) | Cusp widths | $1^{2}\cdot2\cdot8$ | Cusp orbits | $1^{2}\cdot2$ | ||
Elliptic points: | $0$ of order $2$ and $0$ of order $3$ | ||||||
$\Q$-gonality: | $1$ | ||||||
$\overline{\Q}$-gonality: | $1$ | ||||||
Rational cusps: | $2$ | ||||||
Rational CM points: | none |
Other labels
Cummins and Pauli (CP) label: | 8C0 |
Level structure
$\GL_2(\Z/328\Z)$-generators: | $\begin{bmatrix}48&215\\159&152\end{bmatrix}$, $\begin{bmatrix}198&251\\89&216\end{bmatrix}$, $\begin{bmatrix}217&44\\56&293\end{bmatrix}$, $\begin{bmatrix}231&150\\52&45\end{bmatrix}$ |
Contains $-I$: | no $\quad$ (see 328.12.0.y.1 for the level structure with $-I$) |
Cyclic 328-isogeny field degree: | $84$ |
Cyclic 328-torsion field degree: | $6720$ |
Full 328-torsion field degree: | $176332800$ |
Models
This modular curve is isomorphic to $\mathbb{P}^1$.
Rational points
This modular curve has infinitely many rational points but none with conductor small enough to be contained within the database of elliptic curves over $\Q$.
Modular covers
This modular curve minimally covers the modular curves listed below.
Covered curve | Level | Index | Degree | Genus | Rank |
---|---|---|---|---|---|
8.12.0-4.c.1.5 | $8$ | $2$ | $2$ | $0$ | $0$ |
328.12.0-4.c.1.1 | $328$ | $2$ | $2$ | $0$ | $?$ |
This modular curve is minimally covered by the modular curves in the database listed below.
Covering curve | Level | Index | Degree | Genus |
---|---|---|---|---|
328.48.0-328.l.1.9 | $328$ | $2$ | $2$ | $0$ |
328.48.0-328.n.1.8 | $328$ | $2$ | $2$ | $0$ |
328.48.0-328.t.1.4 | $328$ | $2$ | $2$ | $0$ |
328.48.0-328.v.1.2 | $328$ | $2$ | $2$ | $0$ |
328.48.0-328.bm.1.7 | $328$ | $2$ | $2$ | $0$ |
328.48.0-328.bp.1.11 | $328$ | $2$ | $2$ | $0$ |
328.48.0-328.bt.1.3 | $328$ | $2$ | $2$ | $0$ |
328.48.0-328.bu.1.1 | $328$ | $2$ | $2$ | $0$ |